1116613431 has 48 divisors (see below), whose sum is σ = 1784843424. Its totient is φ = 695153664.

The previous prime is 1116613429. The next prime is 1116613447. The reversal of 1116613431 is 1343166111.

1116613431 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 613 + 43 + 1 = 666.

It is not a de Polignac number, because 1116613431 - 2¹ = 1116613429 is a prime.

It is a super-3 number, since 3×1116613431³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1116613395 and 1116613404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116633431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 564961 + ... + 566933.

It is an arithmetic number, because the mean of its divisors is an integer number (37184238).

Almost surely, 2^1116613431 is an apocalyptic number.

1116613431 is a deficient number, since it is larger than the sum of its proper divisors (668229993).

1116613431 is a wasteful number, since it uses less digits than its factorization.

1116613431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2130 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1116613431 is about 33415.7662039942. The cubic root of 1116613431 is about 1037.4510529190.

Adding to 1116613431 its reverse (1343166111), we get a palindrome (2459779542).

The spelling of 1116613431 in words is "one billion, one hundred sixteen million, six hundred thirteen thousand, four hundred thirty-one".